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200 1 _aOs túneis säo redondos
_ee outras perguntas sobre construçäo
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_gtrad. Maria Joao Rodrigues
210 _aPorto
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215 _a32 p.
_cil.
_d29 cm
225 2 _aPorque Será Que)
304 _aTít. orig.: I wonder why tunnels are round and other questions about building
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675 _96908
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700 1 _aParker
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702 1 _aRodrigues
_bMaria Joäo Malva
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